tleap -s -f tleap.x
source leaprc.protein.ff14SB
source leaprc.water.tip3p

mol=loadpdb 1l2y.pdb

solvatebox mol TIP3PBOX 8.0
addions mol Cl- 0

check mol
saveamberparm mol 1l2y.top 1l2y.crd

quit
